Electron energy loss and cathodoluminescence in spheres
Contact F. J. García de Abajo for details

Electron energy loss (EELS) and photon emission (cathodoluminescence) for an electron passing near a homogeneous sphere.
See analytical theory in F. J. García de Abajo and A. Howie, Phys. Rev. Lett. 80, 5180 (1998);   F. J. García de Abajo, Phys. Rev. B 59, 3095 (1999).
Dielectric function ε(ω)

For Drude:
ε(ω)=1-ωp2/ω(ω+iη)
ωp (eV) =
η (eV) =

Geometry under consideration
Geometry
under
consideration
Trajectory Electron energy E0 (keV) =
a (nm) =   b (nm) = (>a)
Other parameters ωmin(eV) =     ωmax(eV) =
lmax = (maximum orbital momentum no. ≤ 20)